In knots.
At what speed is your ship travelling?
Ship speed is transmitted to remote display by feeding outputs from the speed log to various navigation devices as well as shipboard computer system.
In knots.
It depends on the speed of the ship.
10.2888888 is the speed in meters per second of a ship traveling at 20 knots.
The answer will depend on the speed at which the ship is travelling!
Depending from the ship, weather, speed, etc.
A logline is an instrument that tells you the speed of the ship.
Nothing except electromagnetic radiation uses light speed.
knotts
The duration of your journey depends on your ultimate Antarctic destination and the speed of your ship.